The answer is C he has 3 choices out of 81...the 4 just represents the amount of problems there are if there are 3 possible answers then the probability of him answering the questions correct is 3 of 81
If we want to calculate the full prize we need to calculate how much the tax was:
420* 17
%=420*
=420*
=21*
=73.5
so this is how much the tax was.
and the full prize is the cost of the ring and the tax: 420+73.5=493.5
so that's how much the buyer will pay
Well, what I would do is divide 107,982 by 3, and that would get me 1/3 of it, which is 35,994. Then I would multiply 35,994 by 2 so I'd have 2/3 of 107982. The answer would be 71,988.
But my way may be a bit complicated. All you have to do is find two thirds of 107,982.
The answer is 71,988.
We will use double angle identities:
cos (5x ) = sin (10x )
cos (5x ) = 2 cos (5x ) sin ( 5x )
cos ( 5 x) - 2 cos ( 5 x ) sin ( 5x ) = 0
cos ( 5 x ) · [ 1 - 2 sin (5 x) ] = 0
cos ( 5 x ) = 0 or : 1 - 2 sin (5 x) = 0
5 x = π/2 +kπ, k∈Z sin (5 x) = 1/2
x1 = π/10 + kπ/5 5 x = π/6+2kπ , k∈ Z
5 x = 5π/6 +2kπ , k∈ Z
x 2 = π/30 +2kπ/5
x 3 = π/9 + 2kπ/5
Answer:
0.5401
Step-by-step explanation:
When it has a -1 you are supposed to move the decimal to the left
5.401 move it to the left one time adn it gives you 0.5401